Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
thai va » thai van
ma hoi » mai hoi, xa hoi, ma hoa
va han » va phan, van han, va hang
thiet » thieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky tang ma hoi. hieu ve cham xuc ((va han) or (va hanh)) thai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky tang ma hoi. hieu ve cham xuc ((va han) OR (va hanh)) thai va thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang ma hoi. hieu ve cham xuc ((va han) or (va hanh)) thai va thiet*.